<head>
	<link rel="stylesheet" href="_assets/styles.css">
</head>

<body class="styled">
	<div id="editor">
		<p>Foo</p>
		<p>Foo</p>
		<p>Foo</p>
		<p>Foo</p>
	</div>

	<script>
		CKEDITOR.replace( 'editor', {
			toolbarCanCollapse: true
		} );
	</script>
</body>